Imaging apparatus
US-10136068-B2 · Nov 20, 2018 · US
Viewfinders
Viewfinders · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G03B13/02 |
| Official title | Viewfinders |
| Display label | Viewfinders |
| Total patents | 251 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 18 |
| 2017 | 16 |
| 2018 | 20 |
| 2019 | 25 |
| 2020 | 32 |
| 2021 | 27 |
| 2022 | 32 |
| 2023 | 22 |
| 2024 | 25 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Driving apparatus appropriate for driving mirror unit and image pickup apparatus
US-10067411-B2 · Sep 4, 2018 · US
Flash unit having movable light emitting unit and image pickup apparatus equipped with flash unit
US-10057472-B2 · Aug 21, 2018 · US
Electronic device
US-2018224717-A1 · Aug 9, 2018 · US
Electronic apparatus that displays image suitable for opened/closed state and rotated state of display unit
US-2018213157-A1 · Jul 26, 2018 · US
Electronic apparatus equipped with eye sensor holding structure and image pickup apparatus equipped with electronic apparatus
US-2018164881-A1 · Jun 14, 2018 · US
Imaging control apparatus and method for controlling the same
US-9979881-B2 · May 22, 2018 · US
Mirror drive device capable of high-speed forward and backward driving of mirror
US-9964753-B2 · May 8, 2018 · US
Method and apparatus for detecting the viewing direction of a person
US-2018055353-A1 · Mar 1, 2018 · US
Flash unit having movable light emitting unit and image pickup apparatus equipped with flash unit
US-2018035026-A1 · Feb 1, 2018 · US
Apparatus, methods, computer program, and collection for generating image data of load stack
US-2017355574-A1 · Dec 14, 2017 · US
Driving apparatus appropriate for driving mirror unit and image pickup apparatus
US-2017315429-A1 · Nov 2, 2017 · US
Portable x-ray photographing device
US-2017303874-A1 · Oct 26, 2017 · US
Photographing apparatus
US-2017272658-A1 · Sep 21, 2017 · US
Eyepiece optical system, optical apparatus and method for manufacturing the eyepiece optical system
US-9753246-B2 · Sep 5, 2017 · US
Electronic device and method of controlling the same
US-2017230582-A1 · Aug 10, 2017 · US
Imaging apparatus
US-2017187964-A1 · Jun 29, 2017 · US
Electronic apparatus and imaging apparatus
US-9692948-B2 · Jun 27, 2017 · US
Image pickup apparatus
US-2017171451-A1 · Jun 15, 2017 · US
Imaging control apparatus and method for controlling the same
US-2017155825-A1 · Jun 1, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G03B13/02?
- CPC G03B13/02 is the Cooperative Patent Classification code for “Viewfinders.”
- How many patents are filed under CPC G03B13/02 (Viewfinders)?
- Our database includes 251 publications tagged with this CPC code.
- Is patent activity under CPC G03B13/02 growing?
- Publication counts under this code: 25 in 2024 vs 16 in 2025 (latest complete years).